Dimmer switch



FIG. 1 is a front perspective view of a dimmer switch showing my new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a left side view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The portions of the drawings appearing in broken line are for environment only and do not form a part of the design. 

The ornamental design for a dimmer switch, as shown and described. 